0 
4 
FILM GRADIENT 
o o o — 
^ Oo 00 O 
| | | i 
Oo 
N 
| 
  
Ola 
0.8+— 
0.6}— 
FOG DENSITY 
0.4 — 
0.2 }— 
  
FIG 3 FILM GRADIENT VS SN 
HEAT EXPOSURE 2405 FILM DOUBLE -X 
LIGHT - EXPOSED: 
, m JBEFORE HEATING 
mm — AFTER HEATING 
| bindend de td beide tb i 
5 10 50 
HEATING TIME, ho 
FIG 4 MEAN FOG LEVEL VS 
HEAT EXPOSURE 2445 FILM 
AEROCOLOR NEGATIVE 
  
100 
urs 
  
      
  
x4] a raa 
5 10: 
HEATING TIME, 
«o 
El c pal 
50 100 
hours